人教版高考英语一轮总复习精品课件 教材知识复习 选修八 Unit 3Inventors and inventions.ppt

Ⅱ.一词多义——根据语境选出句中黑体部分的含义1.currentA.adj.当前的;现在的B.n.(水或气)流C.n.电流①Theglobalpopulationisexpectedtogrowto9.6billionby2050,andsomeanalystsestimatethatfoodproductionwillneedtoberaisedby50percenttomaintaincurrentlevels.?②Shewasshockedbycurrentsandpassedout.?③Scientiststodayaremakinggreaterefforttostudyoceancurrents.?ACB2.diveintoA.迅速把手伸入B.跳入(头朝下)C.一心投入①HehasbeendivingintothehistoryofChineseliterature.?②Shedivedintothewaterwithaperfectpostureandwoncheers.?③Hedivedintohispocketandtookoutacoupleofcoins.?CBA重点句型透视祈使句+and+陈述句【教材原句】Followitup,exploreallaroundit,andbeforeyouknowit,youwillhavesomethingworththinkingabouttooccupyyourmind.跟踪下去,不断探索,不知不觉中,你就会发现某种值得思考的东西占据着你的头脑。【练会】单句填空①Closethedooroffearbehindyou,youwillseethedooroffaithopenbeforeyou.?②Followyourteacher’sadvice,you’llbeleftbehindbyyourclassmates.?③Abitmoreeffort,Ithink,youwillgainvalidevidence.?④Inanyunsafesituation,simplypressthebuttonandahighly-trainedagent(get)youthehelpyouneed.?andorandwillget【写美】一句多译·背诵⑤充分利用各种条件,我们就能取得成功。→,andwewillachievesuccess.(祈使句)?→,wewillachievesuccess.(if从句)?→,wewillachievesuccess.(分词短语作状语)?MakethemostofallkindsofconditionsIfwemakethemostofallkindsofconditionsMakingthemostofallkindsofconditions【归纳】本句为“祈使句+and+陈述句”句型。该句型中的祈使句相当于一个if引导的条件状语从句,and之后的句子相当于主句,所以用一般将来时。(1)“祈使句+and+陈述句”表示祈使句与后面的句子是顺承关系。(2)“祈使句+or/orelse/otherwise+陈述句”相当于“if+否定条件状语从句+主句”。(3)“名词词组+and+陈述句”也有上述句式功能,名词词组中常含有more,another等词。【佳句】Givemeachance,andI’llgiveyouawonderfulsurprise.给我一个机会,我会给你一个大大的惊喜。测效果课堂评价Ⅰ.熟词生义练1.tap项目意义例句熟义v.?Thesuspecttappedthetablenervouslywithfingerstohidehisfearinside.生义v.?Weneedto